听力原文:W: Oh, what a nuisance!
M: Hey, Julia. What's the matter? You don't seem very happy.
W: It's the junk mail. Whenever I check my mail-box, it is inundated with spam. I just emptied my incoming mail yesterday, and now it is crammed with junk mail again.
M: Well, it is surely annoying to be spammed. I'm usually at my computer so I delete them immediately after I see any spam. The other day I was spammed over 30 times within 20 minutes.
W: It seems it is the same case for everyone. We are facing the same problem.
M: That's right. As e-mail continues to grow, people should find some approaches to prevent spam successfully. Otherwise, the indulging network environment will pose more and more cyber crimes.
W: Yeah, to tell the truth, I really can't understand why the spammers like to post some links to porn websites, Is there anything good for them to do that?
M: You know it's the motivation of profit. The most dedicated spammer often makes a great deal of money by engaging in illegal activities, such as the pornography and casinos.
W: Nowadays, both individuals and businesses are under the threat of a tidal wave of spare. It is reported that the experts are now discussing how to ensure the future of e-mail as a viable communication medium.
M: Well, there arc some techniques to filter or score the incoming e-mails, but they need to be improved.
W: I hope we can get rid of the nightmare of e-mail spam with the help of new technologies.
(23)
A.Information superhighway.
B.E-commerce.
C.Junk mails.
D.How to send e-mails.
第3题
(10)
A. 占用内存越大
B. 越可靠
C. 吞吐量越大
D. 抗病毒能力越强
第5题
(10)
A. 占用内存越大
B. 越可靠
C. 吞吐量越大
D. 抗病毒能力越强
第6题
A.响应时间越短,作业吞吐量越小
B.响应时间越短,作业吞吐量越大
C.响应时间越长,作业吞吐量越大
D.响应时间不会影响作业吞吐量
第7题
A.响应时间不会影响作业吞吐量
B.响应时间越短,作业吞吐量越小
C.响应时间越短,作业吞吐量越大
D.响应时间越长,作业吞吐量越大
第8题
A.响应时间越短,作业吞吐量越小
B.响应时间越短,作业吞吐量越大
C.响应时间越长,作业吞吐量越大
D.响应时间不会影响作业吞吐量
第9题
A.响应时间越短,作业吞吐量越小
B.响应时间越短,作业吞吐量越大
C.响应时间越长,作业吞吐量越大
D.响应时间不会影响作业吞吐量
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